DVR2000E_InstallationOperation_Maintenance_Manual.pdf

8/20/2019 DVR2000E_Installation__Operation___Maintenance_Manual.pdf

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DVR ® 2000E Installation, Operation,

and Maintenance Manual

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INTRODUCTION

This manual provides information concerning the operation and installation of the DVR2000E, Digital Voltage

Regulator. To accomplish this, the following is provided:

• General Information and Specications

• Human-Machine Interface

• Functional Description

• Installation

• Software for Windows Operating System

• Software for the Palm Operating System Platform

• Maintenance and Troubleshooting

WARNING!

DVR2000E presents an electric shock risk. Terminals and heat sinks are live at potentially lethalvoltages. This high voltage may cause electrical shock that could result in injury or death.

To avoid personal injury or equipment damage, only qualied personnel should perform the

procedures presented in this manual.

CAUTIONMeggers and high potential test equipment should be used with extreme care. Incorrect use of

such equipment could damage components contained in the device.

It is not the intention of this manual to cover all details and variations in equipment, nor does

this manual provide data for every possible contingency regarding installation or operation. Theavailability and design of all features and options are subject to modication without notice.

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CONTENTS

A table of contents in the front of each section provides detailed information for that section. The sections in this

manual are as follows.

Section 1 General Information ...............................................................................................................3

Section 2 Human-Machine Interface......................................................................................................7

Section 3 Functional Description .........................................................................................................17

Section 4 Installation............................................................................................................................25

Section 5 Marathon-DVR2000E-32 Software for Windows ® OS ..........................................................38

Section 6 Marathon-DVR2000E Software for the Palm OS ® Platform .................................................68

Section 7 Maintenance and Troubleshooting .......................................................................................85

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SECTION 1 • GENERAL INFORMATION

TABLE OF CONTENTS

SECTION 1 • GENERAL INFORMATION ....................................................................................................4

GENERAL..............................................................................................................................................4FEATURES ............................................................................................................................................4

SPECIFICATIONS .................................................................................................................................4

Operating Power..............................................................................................................................5

Generator Voltage Sensing..............................................................................................................5

Generator Current Sensing .............................................................................................................5

Contact Input Circuits ......................................................................................................................5

Common Alarm Output....................................................................................................................5

Field Output.....................................................................................................................................5

AVR Operating Mode.......................................................................................................................5

FCR (Manual) Operating Mode .......................................................................................................5

Var Operating Mode (Optional)........................................................................................................5

PF Operating Mode (Optional) ........................................................................................................5

Parallel Compensation.....................................................................................................................5

Communication Port ........................................................................................................................5

Field Overvoltage Protection ...........................................................................................................5

Field Overcurrent Protection............................................................................................................5

Generator Overvoltage Protection...................................................................................................5

Soft-Start Function ..........................................................................................................................6

Analog (Auxiliary) Input ...................................................................................................................6

Metering...........................................................................................................................................6

Environment ....................................................................................................................................6

Type Tests........................................................................................................................................6

Physical ...........................................................................................................................................6

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SECTION 1 • GENERAL INFORMATION

GENERAL

The DVR2000E is an electronic, solid-state, microprocessor-based control device. The DVR2000E regulates the

output voltage of a brushless, ac generator by controlling the current into the generator exciter eld. Input powerto the DVR2000E is from a multi-pole, high-frequency, permanent magnet generator (PMG).

The DVR2000E is supplied in an encapsulated package designed for behind-the-panel mounting. The DVR2000Eis held in place by thread-forming screws that thread into its plastic shell. Front panel indicators (LEDs) annunciate

regulator status and system conditions. DVR2000E connections are made through quarter-inch, quick-connectterminals on the rear panel. A 9-pin DB-9 type connector on the rear panel provides communication between the

DVR2000E and an IBM compatible PC.

FEATURES

DVR2000E units have the following features and capabilities.

• Four control modes: automatic voltage regulation (AVR), manual or eld current regulation (FCR), powerfactor (PF) regulation, and reactive power (Var) regulation.

• Programmable stability settings.

• Soft start control with an adjustable time setting in AVR control mode.

• Overexcitation (OEL) limiting in AVR, Var, and PF control modes.

• Underfrequency (volts/hertz) regulation.

• Crowbar circuitry protects the eld.

• Overtemperature protection.

• Three-phase or single-phase generator voltage (RMS) sensing/regulation in AVR mode.

• Single-phase generator current sensing for metering and regulation purposes.

• Field current and eld voltage sensing.

• Four contact sensing inputs for system interface.

• One common output relay for alarm indication and trip functions.

• Six protection functions (overexcitation shutdown, generator overvoltage shutdown, DVR overtemperatureshutdown, loss of generator sensing shutdown, overexcitation limiting and crowbar shutdown).

• Generator paralleling with reactive droop compensation and reactive differential compensation.

• Front-panel human-machine interface (HMI) indicates system and DVR2000E status and gives the ability tomake setting changes at the front panel.

• Rear RS-232 communication port for personal computer communication using MARATHON-DVR2000E-32Windows® based software for fast, user-friendly, setup and control.

SPECIFICATIONS

DVR2000E electrical and physical specications are listed in the following paragraphs. The adjustment

increments shown apply to the PC software. Adjustment increments for the Front Panel Controls are listed inSection 2.

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Operating Power

Single-Phase: 180 to 240 Vac

Frequency Range: 200 to 360 Hz

Burden: 350 VA

Terminals: 3, 4

Generator Voltage Sensing

Type: 1-phase/3-phase, 4 ranges,

50/60 Hz

Terminals: E1, E2, E3Burden:


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Soft-Start Function

Time Adjust Range: 1 to 120 seconds

Increment: 1 second

Analog (Auxiliary) Input

Voltage Range: -3 Vdc to +3 Vdc

Setpoint Range: -30% to +30% shift

Burden: 1 k

Terminals: A, B

Metering

Accuracy of all metering values assumes 25°C, 50/60 Hz

and less than 20% THD.

Generator Voltage

Range: 10 V to 79 kV

Accuracy: 0.5%

Generator Current

Range: 0.1 to 5,000 A (5 A CTs)

Accuracy: 0.5%

Frequency

Range: 40 to 65 Hz

Accuracy: 0.2 Hz

Field VoltageRange: 0 to 200 Vdc

Accuracy: 5.0%

Field Current

Range: 0 to 8.0 Adc

Accuracy: 0.5%

Power (Apparent, Real and Reactive)

Range: 0 to 99 MVA, MW and MVar

Accuracy: 3.0%

Power Factor

Range: -1.0 to –0.6, +0.6 to +1.0

Accuracy: 0.02

Phase AngleRange: 0 to 360°

Accuracy: 2.0°

EnvironmentOperating Temp.: -40°C to +70°C (-40°F to

+158°F)

Storage Temp.: -40°C to +85°C (-40°F to+185°F)

Type Tests

Shock: 20 Gs in 3 perpendicular planes

Vibration: 1 G at 5 to 26 Hz

0.036” double amplitude (27 to 52 Hz)

5 Gs at 53 to 500 Hz

Salt Fog: Tested per MIL-STD-810E

Physical

Weight: 1.52 lb. (690 g)

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SECTION 2 • HUMAN-MACHINE INTERFACE

TABLE OF CONTENTS

SECTION 2 • HUMAN-MACHINE INTERFACE .................................................................................... 8

GENERAL....................................................................................................................................... 8

FRONT PANEL CONTROLS AND INDICATORS ........................................................................... 8

INITIAL ADJUSTMENTS ................................................................................................................ 9

MAKING SETTINGS CHANGES .................................................................................................. 10

Front Panel Operation............................................................................................................. 10

Setting Level Indication........................................................................................................... 11

COMMUNICATION PORT ............................................................................................................ 16

Figures

Figure 2-1. DVR2000E Front Panel Indicators....................................................................................... 8

Figure 2-2. DVR2000E Communication Port Location ........................................................................ 16

Tables

Table 2-1. DVR2000E Front Panel Control Descriptions........................................................................ 8

Table 2-2. DVR2000E Front Panel Mode Status Indicator Descriptions ................................................ 9

Table 2-3. DVR2000E Front Panel Adjustment Indicator Descriptions ................................................ 10

Table 2-4. Coarse Voltage Adjust Setting Ranges ............................................................................... 11

Table 2-5. Sensing Mode (Single-phase/Three-phase) Select ............................................................ 11

Table 2-6. Manual Mode (On/Off) Select ............................................................................................. 12

Table 2-7. Manual Mode (If – Limit) Adjustment Ranges..................................................................... 12Table 2-8. On-Line Operating Mode (AVR (OFF) / VAR / PF) Select................................................... 12

Table 2-9. VAR Control Adjustment Ranges ........................................................................................ 13

Table 2-10. Power Factor Control Adjustment Ranges ........................................................................ 13

Table 2-11. Underfrequency Adjustment Ranges ................................................................................ 14

Table 2-12. Droop Adjustment Ranges................................................................................................ 14

Table 2-13. Stability Range Selection Settings .................................................................................... 15

Table 2-14. Gain Adjustment Ranges .................................................................................................. 15

Table 2-15. Fine Voltage Adjust Setting Ranges.................................................................................. 15

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SECTION 2 • HUMAN-MACHINE INTERFACE

GENERAL

The DVR2000E human-machine interface (HMI) consists of front panel controls and indicators and a rear panelcommunication port.

FRONT PANEL CONTROLS AND INDICATORS

DVR2000E front panel controls and indicators consist of 12 red LEDs and three pushbuttons. Figure 2-1 illustrates

the front panel controls and indicators of the DVR2000E. The LEDs indicate control mode and status conditions

and are also used when adjusting settings at the front panel.

Figure 2-1. DRV2000E Front Panel Indicators

Table 2-1. DVR2000E Front Panel Control Descriptions

Control Description

SELECTThis pushbutton selects a function for adjustment. Successive presses of the

SELECT pushbutton scrolls through the list of DVR2000E functions to be adjusted.

UP This pushbutton increases the setting level of the function being adjusted.

DOWN This pushbutton decreases the setting level of the function being adjusted.

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Table 2-2. DVR2000E Front Panel Mode Status Indicator Descriptions

Indicator Description

Over Excitation LED #12

This LED blinks rapidly when the Overexcitation Protection feature is enabled

and the eld voltage exceeds the setpoint (80 V default) for 15 seconds. TheDVR2000E will shut down when an overexcitation condition is detected. The OverExcitation LED blinks for 5 seconds when the DVR2000E is powered up following

an overexcitation condition.

Over Temperature LED

#11

This LED blinks rapidly when the internal temperature of the DVR2000E has

exceeded its limit and causes the unit to shut down.

Under Frequency LED #7 This LED blinks rapidly during an under frequency condition.

Var/PF Active LED #5 This LED blinks rapidly when operating in Var or Power Factor mode.

If – Limit LED #4

This LED blinks rapidly when the eld current exceeds the programmedoverexcitation limit. It will continue to ash until the overexcitation condition

ceases or the overexcitation time delay expires and the DVR2000E shuts down.The Overexcitation Limiting LED ashes for 5 seconds when the DVR2000E is

powered up following an overexcitation limiting condition.

Manual Mode LED #3 This LED blinks rapidly when operating in Manual mode.

Loss of Sensing LED #2

This LED blinks rapidly when a loss of generator sensing voltage is detected.The DVR2000E will shut down. The Loss of (Generator) Sensing LED ashes

for 5 seconds when the DVR2000E is powered up following shutdown for loss ofgenerator sensing condition.

Over Voltage LED #1

This LED blinks rapidly when the generator output voltage exceeds the setpointfor 0.75 seconds. The DVR2000E will shut down when a generator overvoltage

condition is detected. The (Generator) Overvoltage LED ashes for 5 secondswhen the DVR2000E is powered up following a generator overvoltage condition.

INITIAL ADJUSTMENTS

CAUTION

Read and understand the operation of the individual adjustments before attempting any initial adjustments.

Before starting the generator, the procedures in the following paragraphs should be performed.

Remove the 5 ampere fuse before starting the generator for the rst time. Perform all preliminary engine governoradjustments without the regulator energized.

After initial governor adjustments are complete, reinstall the 5 ampere fuse and connect only the power input

leads or PMG leads to the regulator. Remove all other regulator connections that may be present and temporarilyinsulate them.

Start and run the generator at rated speed. The regulator will perform the self-test and enter a shutdown mode. At

this time, initial adjustments can be made. To do this, step through each adjustment using the “SELECT” button.For each adjustment, press the “UP” or “DOWN” button to obtain the desired level on the LED bar graph.

After the initial adjustments are made, shut down the generator and connect the remaining regulator leads. Thegenerator may be started and nal adjustments may be performed on the regulator.

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MAKING SETTINGS CHANGES

The following paragraphs describe how the HMI is used to make setting changes.

Front Panel Operation

The LEDs indicate control mode and status conditions and are also used when adjusting settings at the frontpanel. Repeatedly pressing the “SELECT” button steps through the various adjustments, starting with the “Course

Voltage” adjustment and progressing through to the “Fine Voltage” adjustment. The next press of the “SELECT”button exits the adjustment mode.

When in the adjustment mode, only the adjustment LEDs will be lit. All mode status LEDs will be turned off.

Adjustment LEDs are of two types. The rst type is the LED that indicates the function being adjusted. This LEDblinks slowly (approximately once per second). The second type is the LED that indicates the level of adjustment.

This LED is on steady. The level of adjustment is changed by pressing the “UP” or “DOWN” button. When anadjustment level LED (on steady) overlaps the function LED (slow blinking), the LED will remain in the slowblinking mode. If no button is pressed for a period of one minute, the regulator saves the settings and exits the

adjustment mode. If regulator power is interrupted before the automatic save feature is commanded, that level ofadjustment will be lost.

When the regulator is not in the adjustment mode and either the “UP” or “DOWN” button is pressed, the regulator

enters the “Fine Voltage” adjustment mode and changes the generator ne voltage set point by 0.1V. Successivepresses of the “UP” or “DOWN” button shall continue to adjust the ne voltage setting. Pressing the “SELECT”

button causes the regulator to exit the adjustment mode. Mode status LEDs blink approximately twice persecond.

Table 2-3. DVR2000E Front Panel Adjustment Indicator Descriptions

Indicator Description

Fine VoltageLED #11

This LED blinks slowly when the “Fine Voltage” level is selected for adjustment via thefront panel push buttons.

GainLED #10

This LED blinks slowly when the “Gain” adjustment is selected for ne tuning of loop gainvia the front panel push buttons.

Stability Range

LED #9

This LED blinks slowly when selecting the desired “Stability Range” via the front panel

push buttons.

Droop

LED #8

This LED blinks slowly when the “Droop” percentage level is selected for adjustment via

the front panel push buttons.

Under Frequency

LED #7

This LED blinks slowly when the “Under Frequency” knee point is selected for adjustment

via the front panel push buttons.

VAR/PF AdjustLED #6

This LED blinks slowly when the level of the programmed mode (VAR or Power Factor) isselected for adjustment via the front panel push buttons (DVR2000EC only).

VAR/PF SelectLED #5

This LED blinks slowly when selecting the programmed mode (VAR, Power Factor, ornone(AVR)) via the front panel push buttons. When in this adjustment mode, LED #1 is

on solid for none(AVR), LED #2 is on solid for Power Factor mode, and LED #3 is on solidfor VAR mode (DVR2000EC only).

Manual Mode Adj.LED #4

This LED blinks slowly when the “Manual Mode” (eld current) regulation set point isselected for adjustment via the front panel push buttons.

Manual Mode On/

Off LED #3

This LED blinks slowly when selecting or deselecting “Manual Mode” (eld current

regulation) as the active operating mode via the front panel pushbuttons. When in thisadjustment mode, LED #1 is on if Manual Mode is off, LED #2 is on if Manual Mode ison.

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1 - 3 Phase

SensingLED #2

This LED blinks slowly when selecting single or three phase sensing via the front panel

push buttons. When in this adjustment mode, LED #1 is on if single phase sensing isselected, LED #3 is on if three phase sensing is selected.

Coarse Voltage

LED #1

This LED blinks slowly when the “Coarse Voltage” level is selected for adjustment via the

front panel push buttons.

Setting Level Indication

Indication of a setting level is provided by the 12 front panel LED indicators. The upper limit of a setting range is

represented by the top LED which is labeled GEN/LAG and MAX. The lower limit of a setting range is representedby the bottom LED which is labeled MIN and ABSORB/LEAD. The setting range for each LED is summarized in

Tables 2-4 through 2-15. LEDs in the tables are numbered from 1 to 12 with 1 being the lowermost LED (labeledMIN/ABSORB/LEAD) and 12 being the uppermost LED (labeled GEN /LAG/MAX.

Table 2-4. Coarse Voltage Adjust Setting Ranges

Coarse Voltage – LED 1 Blinking SlowlyMaximum Adjustment Range

Increment: 6 Vac

LED

Increase Decrease

MinimumValue

MaximumValue

MinimumValue

MaximumValue

12 563 600 558 600

11 521 557 516 552

10 479 515 474 510

9 437 473 432 468

8 395 431 390 426

7 353 389 348 384

6 311 347 306 342

5 269 305 264 300

4 227 263 222 258

3 185 221 180 216

2 143 179 138 174

1 95 137 95 132

Table 2-5. Sensing Mode (Single-phase/Three-phase) Select

Single-phase/Three-phase select – LED #2 Blinking Slowly

LED MODE

12 N/A

11 N/A

10 N/A

9 N/A

8 N/A

7 N/A

6 N/A

5 N/A

4 N/A

3 Three-phase

2 N/A

1 Single-phase

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Table 2-6. Manual Mode (On/Off) Select

Manual Mode On/Off – LED 3 Blinking Slowly

LED MODE

12 N/A

11 N/A

10 N/A

9 N/A

8 N/A

7 N/A6 N/A

5 N/A

4 N/A

3 N/A

2 ON

1 OFF

Table 2-7. Manual Mode (If – Limit) Adjustment Ranges

Manual Mode Adjust – LED 4 Blinking SlowlyAdjustment Range: 0 to 3 Adc

Increment: 0.01 AdcLED Minimum Value Maximum Value

12 2.75 3

11 2.50 2.74

10 2.25 2.49

9 2.00 2.24

8 1.75 1.99

7 1.50 1.74

6 1.25 1.49

5 1.00 1.24

4 0.75 0.99

3 0.50 0.74

2 0.25 0.491 0 0.24

Table 2-8. On-Line Operating Mode (AVR (OFF)/VAR/PF) Select *

AVR (OFF) / VAR / PF Select – LED #5 Blinking Slowly

LED MODE

12 N/A

11 N/A

10 N/A

9 N/A

8 N/A

7 N/A6 N/A

5 N/A

4 N/A

3 Var

2 PF

1 AVR

* Var/PF control is available only on DVR2000EC.

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Table 2-9. VAR Control Adjustment Ranges *

VAR Control Adjust – LED 6 Blinking SlowlyMaximum Adjustment Range: −100% (absorb) to +100%

(generate)

Increment: 1.0%

LED Minimum Value † Maximum Value †

12 84 100

11 67 83

10 51 669 34 50

8 17 33

7 1 16

6 -16 0

5 -33 -17

4 -49 -34

3 -66 -50

2 -83 -67

1 -100 -84


† Minimum and maximum values may differ from the Table 2-9 values if

the value has been changed in MARATHON-DVR2000E-32 software.MARATHON-DVR2000E-32 software has 0.5 percent resolution comparedto the 1.0 percent resolution of the HMI.

Table 2-10. Power Factor Control Adjustment Ranges *

Power Factor Control Adjust – LED 6 Blinking Slowly

Maximum Adjustment Range: +0.6 (lag) to –0.6 (lead)

Increment: 0.01LED Minimum Value † Maximum Value †

12 0.66 0.60

11 0.73 0.67

10 0.80 0.74

9 0.86 0.81

8 0.93 0.87

7 1.0 0.94

6 -0.94 -0.99

5 -0.87 -0.93

4 -0.80 -0.86

3 -0.74 -0.79

2 -0.67 -0.731 -0.60 -0.66


† Minimum and maximum values may differ from the Table 2-10 values if

the value has been changed in MARATHON-DVR2000E-32 software.MARATHON-DVR2000E-32 software has 0.001 resolution compared tothe 0.01 resolution of the HMI.

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Table 2-11. Underfrequency Adjustment Ranges

Underfrequency Adjust – LED 7 Blinking SlowlyMaximum Adjustment Range: 40 to 65 Hz

Increment: 0.1 Hz

LED Minimum Value Maximum Value

12 63.0 65.0

11 60.9 62.9

10 58.8 60.8

9 56.7 58.7

8 54.6 56.67 52.5 54.5

6 50.5 52.4

5 48.4 50.4

4 46.3 48.3

3 44.2 46.2

2 42.1 44.1

1 40.0 42.0

Table 2-12. Droop Adjustment Ranges

Droop Adjust – LED 8 Blinking Slowly

Adjustment Range: 0 to 10%Increment: 0.25%

LED Minimum Value * Maximum Value *

12 9.25 10.00

11 8.5 9.00

10 7.75 8.25

9 6.75 7.50

8 6.00 6.50

7 5.25 5.75

6 4.25 5.00

5 3.5 4.00

4 2.75 3.25

3 1.75 2.5

2 1 1.5

1 0 0.75* Minimum and maximum values may differ from the Table 2-12 values if

the value has been changed in MARATHON-DVR2000E-32 software.

MARATHON-DVR2000E-32 software has 0.01% resolution compared tothe 0.25 percent resolution of the HMI.

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Table 2-13. Stability Range Selection Settings

Stability Range Select – LED 9 Blinking SlowlyAdjustment Range per LED: 1

Frame/Poles LED Range Selected

12 N/A

11 N/A

10 N/A

9 N/A

Programmable 8 21

1,000/6 7 7

740/6 6 6

1,000/4 5 5

740/4 4 4

570/4 3 3

430/4 2 2

360/4 1 1

Table 2-14. Gain Adjustment Ranges

Gain Adjust – LED 10 Blinking Slowly

Maximum Adjustment Range:0.5 to 4.5 kg for AVR and 0 to 100 kg for FCR

When the unit is operating in AVR, PF, and var modes, gain adjustments aremade to AVR kg. When in FCR mode, gain adjustments are made to FCRkg. Front Panel increments: AVR kg = 0.01 FCR kg = 0.1

LED

Minimum Value * Maximum Value *

AVR FCR AVR FCR †

12 4.17 11.1 4.50 12

11 3.84 10.1 4.16 11

10 3.50 9.1 3.83 10

9 3.17 8.1 3.49 9

8 2.84 7.1 3.16 8

7 2.50 6.1 2.83 7

6 2.17 5.1 2.49 6

5 1.84 4.1 2.16 54 1.50 3.1 1.83 4

3 1.17 2.1 1.49 3

2 0.85 1.1 1.16 2

1 0.5 0 0.84 1

* Minimum and maximum values may differ from the Table 2-14 values if the gain value has been changed in

MARATHON-DVR2000E-32 software.

† MARATHON-DVR2000E-32 software allows a maximum FCR kg setting of 1,000 kg. A kg setting of 12 ormore entered in MARATHON-DVR2000E-32 software will be reduced to 12 with the rst push of the HMI

“DOWN” pushbutton when adjusting FCR kg via the front panel.

Table 2-15. Fine Voltage Adjust Setting RangesFine Voltage Adjust – LED #11 Blinking Slowly

Maximum Adjustment Range: -15% to +15%Increment: 0.1V

The adjustment range for Fine Voltage Adjust is based on the nevoltage adjustment band setting. The default adjustment range is

–10% to +10%. See Section 5, MARATHON-DVR2000E-32Software for Windows® OS, Setting Denitions, Setting Adjustments

for information about the Fine Voltage Adjustment Band Setting.

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COMMUNICATION PORT

A communication port is located on the rear panel

and consists of a female RS-232 (DB-9) connector.The communication port serves as an interface forprogramming (setup) of the DVR2000E. Figure 2-2

illustrates the location of the communication port.

Programming requires a standard 9-pin serialcommunication cable connected between the

DVR2000E and an IBM-compatible PC or handheldcomputer operating with MARATHON-DVR2000E-32

software. MARATHON-DVR2000E-32 is a Windows®98/NT based communication software package that issupplied with the DVR2000E. A detailed description

of MARATHON-DVR2000E-32 software is provided inSection 5, MARATHON-DVR2000E-32 Software.

Figure 2-2. DVR2000E Communication Port Location

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SECTION 3 • FUNCTIONAL DESCRIPTION

TABLE OF CONTENTS

SECTION 3 • FUNCTIONAL DESCRIPTION ............................................................................................18

INTRODUCTION..................................................................................................................................18

DVR2000E FUNCTION BLOCKS ........................................................................................................18

Analog Inputs.................................................................................................................................18Generator Voltage ...............................................................................................................................19

Phase B Line Current..........................................................................................................................19

Field Voltage (VFIELD)...........................................................................................................................19

Field Current (IFIELD) ............................................................................................................................19

Analog (Auxiliary) Input .......................................................................................................................19

Contact Input Circuits ....................................................................................................................19

Raise ...................................................................................................................................................20

Lower...................................................................................................................................................20

Var/Power Factor Control (52J/K) Option ............................................................................................20

Parallel Generator Compensation (52L/M)..........................................................................................20

Communication Port ......................................................................................................................20

Microprocessor..............................................................................................................................20

Power Input Stage .........................................................................................................................20

Power Supply.................................................................................................................................20

Power Amplier Stage ...................................................................................................................20

Front Panel Indicators....................................................................................................................20

Front Panel Switches.....................................................................................................................21

Relay Output..................................................................................................................................21

DVR2000E OPERATING FEATURES..................................................................................................21

Operating Modes...........................................................................................................................21

Automatic Voltage Regulation Mode....................................................................................................21

Manual Mode.......................................................................................................................................21

Var Control Mode (Optional)................................................................................................................21

Power Factor Control Mode (Optional) ................................................................................................21

Reactive Droop Compensation......................................................................................................22

Underfrequency.............................................................................................................................22

Generator Underfrequency..................................................................................................................22

Engine Unloading................................................................................................................................22

Protection ......................................................................................................................................22

Overexcitation Shutdown (Field Voltage).............................................................................................23

Generator Overvoltage Shutdown.......................................................................................................23

DVR Overtemperature Shutdown........................................................................................................23

Loss of Generator Sensing Shutdown.................................................................................................23

Overexcitation Limiting (Field Current) ................................................................................................23

Crowbar Shutdown..............................................................................................................................24

Generator Soft Start ......................................................................................................................24

Figures

Figure 3-1. Simplied Block Diagram .........................................................................................................18

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SECTION 3 • FUNCTIONAL DESCRIPTION

INTRODUCTION

This section describes how the DVR2000E functions and explains its operating features. To ease understanding,DVR2000E functions are illustrated in the block diagram of Figure 3-1. A detailed description of each function

block is provided in the paragraphs under the heading of DVR2000E Function Blocks.

DVR2000E operating features include four operating modes, four protective functions, startup provisions, reactivedroop compensation, underfrequency compensation, and an auxiliary analog input. A detailed description of each

operating feature is provided in the paragraphs under the heading of DVR2000E Operating Features.

Figure 3-1. Simplied Block Diagram

DVR2000E FUNCTION BLOCKSThe following paragraphs describe each of the function blocks illustrated in Figure 3-1. The function of each block

is explained along with the operation of all function block inputs and outputs.

Analog Inputs

Six analog voltage and current inputs may be sensed and brought to the DVR2000E input.

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Generator Voltage

Generator voltage is monitored at terminals E1 (A-phase), E2 (B-phase), and E3 (C-phase). Nominal voltages ofup to 600Vac may be sensed at these terminals. Voltage applied to these inputs is scaled and conditioned beforebeing applied to the input of the ADC. The voltage signal from phase C and A (V

C-A) of the generator is used by

the ADC to calculate the rms value of generator voltage across phases C and A. Likewise, the voltage signal fromphase C and B (V

C-B) of the generator is used by the ADC to calculate the rms value of generator voltage across

phases C and B. The rms value of generator phase B to phase A voltage (VB-A

) is calculated by the microprocessorfrom the phase C to phase A signal (V

C-A)and the phase C to phase B (V

C-B) signal.

Additionally, the generator phase C to phase A (VC-A) signal is applied to a ltered zero cross detector circuit. Thissignal is applied to the microprocessor and is used to calculate generator frequency.

Phase B Line Current

The phase B line current (IB) signal is developed through a customer supplied current transformer (CT) and

monitored through terminals CT1 and CT2. Current up to 5 amperes rms may be monitored at these terminals.The current monitored at these terminals is scaled and conditioned by an internal current transformer and active

circuitry for use by the ADC. The signal applied to the ADC is used to calculate the rms value of phase B linecurrent.

Additionally, the phase angle between phase B line current and phase C to phase A generator voltage is calculated

for use during Droop and Var/Power Factor operation.

CAUTION

The DVR2000E CT connections are reversed from the DVR2000.

Field Voltage (V FIELD )

Voltage across the regulator eld output terminals, F+ and F-, is monitored, scaled, and conditioned before being

applied to the ADC. This signal is used to calculate the dc value of eld voltage for use in system protection.

Field Current (I FIELD )

Current through the main power output switch is converted to a proportional voltage level. This voltage signal is

scaled and conditioned before being applied to the input of the ADC. The result is used to calculate the dc valueof eld current for use in the Manual mode of operation as well as protection of the system.

Analog (Auxiliary) Input

CAUTION

If the DC voltage is removed from the Analog (Auxiliary) Input, the operating setpoint will

return to the original value.

This input allows adjustment of the DVR-2000E regulation setpoint by the application of a positive or negativedc voltage across terminals A and B. Voltage up to +3 Vdc may be applied at this input. The circuit induces a1,000-ohm burden on the dc source. The application of a +3 Vdc signal corresponds to a +30 percent change in

setpoint.

Contact Input Circuits

Four contact input circuits powered from an internal 13 Vdc supply provide input control from user-suppliedcontacts.

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Raise

Closing a contact across terminals 6U and 7 causes the active operating setpoint to increase. This function isactive as long as the contact is closed.

Lower

Closing a contact across terminals 6D and 7 causes the active operating setpoint to decrease. This function isactive as long as the contact is closed.

Var/Power Factor Control (52J/K) Option

Closing a contact across terminals 52J and 52K disables var/power factor control. An open contact enables theDVR2000E(C) to control the generator reactive power in either the var or the power factor mode. The contact has

no effect when this option is not present. For more information, refer to the Parallel Generator Compensation(52L/M) contact input.

Parallel Generator Compensation (52L/M)

Closing a contact across terminals 52L and 52M disables parallel operation. An open contact enables parallel

operation and the DVR2000E operates in reactive droop compensation mode.

If the Var/Power Factor Control option is present, the 52J/K input has priority. Therefore, if the 52J/K and the 52L/Minputs are both open, the system operates in var/power factor mode.

Communication Port

The communication port provides the interface for user programming (setup) of the DVR2000E. Connection is

made to the female RS-232 (DB-9) connector with a user-supplied, standard 9-pin cable. The communication portis optically isolated and is powered from a transformer-isolated supply.

Microprocessor

The microprocessor is the heart of the DVR2000E and performs measurement, computation, control, and

communication functions by the use of its embedded programming and the nonvolatile settings stored in itsmemory.

Power Input Stage

Input power is applied to terminals 3 and 4 from the PMG. It is rectied and ltered before being applied to thepower amplier and the power supply. Input power is single-phase in the range of 180 to 240 Vac at a frequencyof 200 to 360 hertz.

Power Supply

The internal switch-mode power supply receives power from the power input stage and supplies power at therequired dc voltage levels to the internal circuitry of the DVR2000E.

Power Amplier Stage

The power amplier receives power from the power input stage and supplies a controlled amount of power to the

exciter eld via terminals F+ and F-. The amount of power supplied to the exciter eld is based on gating pulses

received from the microprocessor. The power amplier uses a solid state power switch to provide the requiredpower to the exciter eld. Power amplier output to the eld is rated up to 75 Vdc at 3 Adc continuous and 150Vdc at 7.5 Adc for 10 seconds.

Front Panel Indicators

Twelve front panel LED indicators light to indicate various operating modes, protective functions, and adjustments.Section 2, Human-Machine Interface provides more information about the front panel indicators.

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Front Panel Switches

Changes to settings can be made at the front panel using the three pushbutton switches. These push-buttons are

labeled Select, Up, and Down. Section 2, Human-Machine Interface provides more in-formation about the frontpanel switches.

Relay Output

A common alarm output contact is provided through terminals AL1 and AL2. This normally open, form A contact

annunciates alarm or generator trip conditions and closes in the event of a protective shutdown or transfer. Therelay output is non-latching.

DVR2000E OPERATING FEATURES

The following paragraphs describe the characteristics of each DVR2000E operating feature.

Operating Modes

The DVR2000E provides up to four modes of operation selectable through Windows® or Palm OS® communication

software. Automatic voltage regulation mode and Manual mode are standard features. Var and Power Factormodes are an option.

Automatic Voltage Regulation Mode

In Automatic Voltage Regulation (AVR) mode, the DVR2000E regulates rms generator output voltage. This isaccomplished by sensing generator output voltage and adjusting dc output excitation current to maintain voltage

at the regulation setpoint. The regulation setpoint is adjusted by the Raise and Lower contact inputs, front panelswitches, or through Windows® or Palm OS® communication software. The regulation point may also be modied

by the Droop function or the Underfrequency function under certain conditions.

Manual Mode

In Manual mode, also known as Field Current Regulation (FCR) mode, the DVR2000E maintains dc excitation

current at a set level. The current-level setpoint is adjustable from 0 to 3 Adc by the Raise and Lower contactinputs, front panel switches, or through Windows® or Palm OS® communication software.

WARNING!

The Manual mode excitation level must be evaluated prior to enabling this feature. If the level ofexcitation current is inappropriate for the generator, severe damage to the generator may occur.

For initial startup, if the regulator is in Manual mode and set at 0.25 amperes, the generator should come up to

approximately half-voltage. This allows wiring and sensing leads to be checked before the regulator is switched toAVR mode. Increasing the eld current to 0.5 amperes will bring the generator up to approximately rated, no-loadvoltage.

Var Control Mode (Optional)

In Var Control mode, the DVR2000E(C) maintains generator vars (volt-amperes, reactive) at a set level when

paralleling with an innite bus. The DVR2000E(C) calculates generator vars using the sensed generator output

voltage and current quantities and then adjusts the dc excitation current to maintain vars at the setpoint. Var controlis enabled and disabled through the front panel switches, Windows® or Palm OS® communication software.When the software is turned on, var control is enabled or disabled through the Var/Power Factor Control (52J/K)

contact input circuit. The var setpoint is adjustable from 100 percent absorb to 100 percent generate through theRaise and Lower contact inputs, front panel switches, or through Windows® or Palm OS® software.

Power Factor Control Mode (Optional)

In Power Factor Control mode, the DVR2000E(C) maintains generator power factor at a set level when paralleling

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with an innite bus. The DVR2000E(C) calculates generator power factor using the sensed generator outputvoltage and current quantities and then adjusts the dc excitation current to maintain power factor at the setpoint.Power factor control is enabled or disabled through the front panel switches, Windows® or Palm OS® software.

When the software is turned on, it is enabled or disabled through the Var/Power Factor Control (52J/K) contactinput circuit. The power factor setpoint is adjustable between 0.6 lag and 0.6 lead through the Raise and Lower

contact inputs, front panel switches, or through Windows® or Palm OS® communication software.

Reactive Droop Compensation

The DVR2000E provides a reactive droop compensation feature to assist in the sharing of reactive load during

parallel generator operation. When this feature is enabled, the DVR2000E calculates the reactive portion of thegenerator load using the sensed generator output voltage and current quantities and then modies the voltage

regulation setpoint accordingly. A unity power factor generator load results in almost no change in generatoroutput voltage. A lagging power factor generator load (inductive) results in a reduction of generator output voltage.

A leading power factor generator load (capacitive) results in an increase of generator output voltage. Droopis adjustable up to 10 percent with rated, nominal B-phase line current (5 amperes applied through terminals

CT1 and CT2) and 0.8 power factor. The droop feature is enabled and disabled through the Parallel GeneratorCompensation contact input circuit (terminals 52L and 52M). If the Var/Power Factor option is present, the 52J/Kinput must also be closed to disable droop.

Underfrequency

Generator Underfrequency

When generator frequency drops below the selected knee frequency setpoint, the voltage setpoint is automaticallyadjusted by the DVR2000E so that generator voltage follows the selected PU (per unit) V/Hz curve. When

operating on the selected PU V/Hz curve, the Underfrequency Active indicator ashes on the front panel and inMARATHON-DVR2000E-32. The knee frequency is adjustable from 40 to 65 hertz and the PU V/Hz curve maybe set to a slope from 1 to 3 in increments of 0.01 through the Windows® or Palm OS® communication software.

The default is 59 Hz and a slope of 1.

Engine Unloading

The Engine Unloading feature modies the underfrequency curve. This feature becomes active when the generatorfrequency decreases a programmable amount (Unloading Activation – Frequency) below the knee frequency

setpoint, and when the speed change rate is greater than the Unloading Activation - Rate. The amount of droopwhile Engine Unloading is active is adjusted by the Unloading Droop - Percentage (%) setting. The amount of time

Engine Unloading is active is set by Unloading Droop - Time (sec.).

Engine unloading adjustments are made through the Windows and Palm OS communication software.

Unloading Activation – Frequency (Hz) is entered as a value below the underfrequency corner where the engineunloading feature may be activated. A frequency value of 0.9 to 9.0 hertz can be entered in 0.1 hertz increments.The default value is 0.9 hertz.

Unloading Activation – Rate (Hz/25 msec) of 0 to 25.5 hertz per 25 milliseconds can be entered in 0.1 hertz per

25 millisecond increments. The engine unloading feature is activated when the frequency rate of change exceedsthe setting of this eld. The default value is 0.1.

Unloading Droop – Percentage (%) eld denes the percent drop in generator output voltage for each 1.5 percent

decrease in generator frequency when operating in the Engine Unloading mode. The Unloading Droop Percentageis adjustable from 1 to 20 percent in 1 percent steps. The default value is 10 percent.

Unloading Droop – Time (sec) value denes the length of time that the Engine Unloading mode may be active

before control is passed to the normal Underfrequency mode of operation. Droop time is adjustable from 1 to 5seconds in 1 second increments. The default value is 1 second.

Protection

The DVR2000E has the six protective functions listed below:

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• Overexcitation shutdown• Generator overvoltage shutdown• DVR overtemperature shutdown• Loss of generator sensing shutdown• Overexcitation limiting• Crowbar shutdown

Each function, except Crowbar Shutdown, has a corresponding front panel indicator that lights when the function

is active. An active function (except Crowbar Shutdown) is also annunciated through the Windows® or Palm OS®communication software.

Overexcitation Shutdown (Field Voltage)

This function is enabled or disabled through MARATHON-DVR2000E-32 software. When enabled, if eld voltageexceeds the setpoint (80 Vdc default), the Overexcitation Shutdown indicator ashes on the front panel and in the

Windows® or Palm OS® communication software, the relay output closes after 15 seconds and the DVR2000Eshuts down. When the DVR2000E is powered up following an over-excitation shutdown, the OverexcitationShutdown indicator will ash for 5 seconds.

Generator Overvoltage Shutdown

The DVR2000E monitors the sensed generator output voltage. If it exceeds the overvoltage setpoint (a percent

of nominal) for 0.75 seconds, the Generator Overvoltage indicator ashes on the front panel LED and in theWindows® and Palm OS® communication software, the relay output closes and the DVR2000E shuts down.When the DVR2000E is powered up following a generator overvoltage shutdown, the Generator Overvoltage

indicator will ash for 5 seconds. The default setpoint is 120 percent of nominal.

DVR Overtemperature Shutdown

A temperature sensor within the DVR2000E continually monitors the temperature of the device. If the temperatureexceeds 70°C (158°F), the DVR Overtemperature indicator ashes on the front panel and in the Windows® and

Palm OS® communication software, the relay output closes and the DVR2000E shuts down.

Loss of Generator Sensing Shutdown

The DVR2000E monitors the sensed generator output voltage and takes protective action if a loss of sensing

voltage is detected. For single-phase sensing, a sensed voltage of less than 50 percent of nominal is interpretedas a loss of sensing. For three-phase sensing, the total loss of a sensed phase or an imbalance between phases

of more than 20 percent nominal is interpreted as a loss of sensing. When sensing input continuity is not lost, anadjustable time delay of 0 to 25 seconds is present when a loss of sensing condition is detected. If sensing inputcontinuity is lost, the time delay is disabled.

If a loss of sensing occurs, the Loss of Generator Sensing indicator ashes on the front panel and in the Windows®and Palm OS® communication software, the relay output closes, and the DVR2000E shuts down. When theDVR2000E is powered up following a loss of generator sensing shutdown, the Loss of Sensing indication will

ash for 5 seconds.

This function is disabled when a generator short circuit condition is detected or when sensed frequency dropsbelow 12Hz. A generator short-circuit is determined when the phase B CT current exceeds 3PU (>15 Aac sensing

current). Loss of sensing is not active during soft start time.

Overexcitation Limiting (Field Current)

The DVR2000E has a eld current limit that is factory preset at 6.5 amperes. The limit is adjustable from 0 to 7.5

amperes with an adjustable time delay that has a range of 0 to 10 seconds. Both settings are made through theWindows® and Palm OS® communication software. When the overexcitation limit is exceeded, the Overexcitation

Limiting indicator ashes on the front panel and in the Windows® and Palm OS® communication software. Whenthe adjustable time delay expires, the relay output closes and the DVR2000E shuts down. When the DVR2000E is

powered up following overexcitation limiting, the Overexcitation Limiting indicator will ash for 5 seconds.

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Crowbar Shutdown

The Crowbar Shutdown Circuit protects the generator rotor from overcurrent damage resulting from a shortedDVR2000E power switch. During operation, if the eld voltage exceeds the setpoint and the power stage receivesno gating pulses for 1.5 seconds, the Crowbar Circuit activates and places a short-circuit across the DVR2000E

input power terminals. This protects the generator by blowing the input power fuse and removing operating powerfrom the device.

Generator Soft Start

The DVR2000E incorporates an adjustable soft start feature that controls the time for generator voltage to rampto the regulation setpoint. The ramp rate is adjustable from 1 to 120 seconds in 1 second increments through theWindows® and Palm OS® communication software. The underfrequency feature is also active during soft start

and takes priority in control of the generator voltage. The default setting is 7 seconds.

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SECTION 4 • INSTALLATION

TABLE OF CONTENTS

SECTION 4 • INSTALLATION.....................................................................................................................26

GENERAL............................................................................................................................................26

MOUNTING .........................................................................................................................................26

CONNECTIONS ..................................................................................................................................29

DVR2000E Terminations................................................................................................................29

Generator Voltage Sensing Inputs.................................................................................................30

Phase B Line Current Sensing Input .............................................................................................30

Raise and Lower Contact Inputs ...................................................................................................30

Var/Power Factor Control Contact Input ........................................................................................30

Parallel Generator Compensation .................................................................................................30

Analog (Auxiliary) Adjust ...............................................................................................................30

Power Supply Inputs......................................................................................................................30

Chassis Ground.............................................................................................................................31

Power (Field) Output......................................................................................................................31

Relay Output..................................................................................................................................31

Communication Port ......................................................................................................................31

DVR2000E Connections for Typical Applications...........................................................................32

PRELIMINARY SETUP........................................................................................................................37

ADJUSTMENTS ..................................................................................................................................37

Figures

Figure 4-1. DVR2000E Dimensions............................................................................................................27

Figure 4-2. Cutout and Drilling Dimensions................................................................................................28

Figure 4-3. DVR2000E Rear Panel Terminals ............................................................................................29

Figure 4-4. Communication Port Pin Assignments .....................................................................................31

Figure 4-5. Personal Computer to DVR2000E Connections.......................................................................32

Figure 4-6. Typical Connections with ABC Rotation and Three-Phase Sensing.........................................33

Figure 4-7. Typical Connections with ABC Rotation and Single-Phase Sensing ........................................34

Figure 4-8. Typical Connections to a Single-Phase Generator ...................................................................35

Figure 4-9. Cross-Current (Reactive Differential) Connections for Two Generators ...................................36

Figure 4-10. Cross-Current (Reactive Differential) Connections for Three or More Generators.................36

Tables

Table 4-1. Generator Voltage Sensing Terminals........................................................................................30

Table 4-2. Communication Port Pin Functions............................................................................................31

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SECTION 4 • INSTALLATION

GENERAL

The DVR2000E is delivered in a sturdy carton to prevent shipping damage. Upon receipt, check the part numberagainst the requisition and packaging list for agreement. Inspect for damage, and if there is evidence of such,

immediately le a claim with the carrier and notify your sales representative or a sales representative at MarathonElectric.

If the unit is not installed immediately, store it in the original shipping package in a moisture and dust free

environment.

MOUNTING

The DVR2000E is normally located in the generator conduit box. It is designed for behind the panel mountingand requires a cutout for front panel viewing and access. Mounting hardware consists of six customer supplied,#12 thread-forming screws that pass through mounting holes in the conduit box and thread into the plastic shell

of the DVR2000E. The unit must be mounted where the ambient temperature does not exceed the allowableenvironmental conditions called out in Section 1, General Information, Specications. DVR2000E package

dimensions are shown in Figure 4-1. Cutout and drilling dimensions are shown in Figure 4-2.

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Figure 4-1. DVR2000E Dimensions

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Figure 4-2. Cutout and Drilling Dimensions

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CONNECTIONS

DVR2000E connections are dependent on the application. Incorrect wiring may damage the unit.

NOTE

Be sure that the DVR2000E is hard-wired to earth ground with no smaller than 12 AWG copper

wire attached to the ground terminal on the rear of the unit case. When the unit is congured ina system with other devices, it is recommended to use a separate lead to the ground bus from

each device.

DVR2000E Terminations

DVR2000E units have two types of interface terminals (Figure 4-3). One type is quarter-inch, quick-connectterminals and the other is a 9-pin DB9 connector. All terminals are located on the rear of the unit. The quarter-inch,

quick-connect terminal labels are located on the rear of the case. Wires performing common functions, such asvoltage sensing leads, should be grouped together. The 9-pin DB-9 type connector is used for temporary interface

with both IBM compatible PCs and hand-held computers.

Figure 4-3 shows the terminal connections located on the rear panel of the DVR2000E. Except as noted above,

connections should be made with minimum wire size of 14 AWG.

Figure 4-3. DVR2000E Rear Panel Terminals

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Generator Voltage Sensing Inputs

The generator voltage sensing terminals are labeled E1, E2, and E3. A single-phase sensing connection isobtained by connecting the C-phase sensing input to terminals E2 and E3. Table 4-2 lists the terminal assignmentsfor three-phase and single-phase generator voltage sensing.

Table 4-1. Generator Voltage Sensing Terminals

Sensing GeneratorPhase Terminal

3-Phase

A E1

B E2

C E3

1-PhaseA E1

C E2, E3

Phase B Line Current Sensing Input

Generator line current is stepped down through a user-supplied current transformer (CT). Secondary current fromthat transformer is applied to terminals labeled CT1 and CT2.

Raise and Lower Contact Inputs

Remote setpoint adjustment may be accomplished by connecting a single-pole, double-throw (SPDT), springreturn, center-off switch to the terminals labeled 6U, 7, and 6D. To connect this switch, the center pole, or

common terminal, must be connected to terminal 7. The other two terminals are connected to terminals 6U and6D. This remote adjust switch may be mounted up to 150 feet away from the DVR2000E when using twisted,shielded cable.

Var/Power Factor Control Contact Input

A customer supplied enable/disable contact for this function connects to the terminals labeled 52J and 52K.

This function is disabled by a closed contact.

Parallel Generator Compensation

A customer supplied enable/disable contact for this function connects to the terminals labeled 52L and 52M.

This function is disabled by a closed contact.

Analog (Auxiliary) Adjust

CAUTIONIf the DC voltage is removed from the Analog (Auxiliary) Input,

the operating setpoint will return to the original value.

This input allows adjustment of the DVR2000E regulation setpoint by the application of a positive or negativeDC voltage across terminals A and B. Voltage up to +3 Vdc may be applied at this input. The circuit induces a

1,000-ohm burden on the dc source. The application of a +3 Vdc signal corresponds to a +30 percent change insetpoint.

Power Supply Inputs

Power input terminals are labeled 3, and 4.

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Chassis Ground

The chassis ground terminal is labeled GND.

Power (Field) Output

The eld output terminals for connection to the generator exciter eld are labeled F+ and F-.

Relay Output

The common alarm relay output contact may be accessed at the terminals labeled AL1 and AL2. The relay outputis normally open.

Communication Port

The RS-232 port on the rear panel uses a DB-9 female connector. Figure 4-4 Illustrates the pin assignments ofthe communication port and Table 4-3 identies the RS-232 connector pin functions. A standard communication

cable terminated with a DB-9 male connector is used for PC or hand-held computer interface with the DVR2000Eas shown in Figure 4-5.

Figure 4-4. Communication Port Pin Assignments

Table 4-2. Communication Port Pin Functions

Pin Function Name Direction

1 N/C ---- N/A

2 Transmit Data TXD From DVR2000E

3 Receive Data RXD To DVR2000E

4 N/C ---- N/A

5 Signal Ground GND N/A

6 N/C ---- N/A

7 N/C ---- N/A

8 N/C ---- N/A

9 N/C ---- N/A

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Figure 4-5. Personal Computer to DVR2000E Connections

DVR2000E Connections for Typical Applications

Figures 4-6 through 4-9 illustrate typical applications using the DVR2000E. Figure 4-6 shows an application where

the DVR2000E is connected for three-phase voltage sensing. Figure 4-7 shows an application with single-phasevoltage sensing while Figure 4-8 illustrates an application with a single-phase generator.

Figure 4-9 illustrates the connection of two DVR2000E devices used in a Cross-Current (Reactive Differential)application. Note that the .1 ohm resistor shown may have to vary. When operating in parallel reactive differential

mode (cross current), attention must be paid to the use of the burden resistor shown in Figure 4-9. The burdenresistor should have a value approximately 10 times the cross current loop resistance for proper differentialoperation. The value of 0.1 ohm is a suggested value. The volt-ampere (VA) capacity of the paralleling current

transformers should be considered after sizing the burden resistor.

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Figure 4-6. Typical Connections with ABC Rotation and Three-Phase Sensing

C a u t i o n

T h e D

V R 2 0 0 0 E C T c o n n e c t i o n s

a r e r e

v e r s e d f r o m t

h e D V R 2 0 0 0

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Figure 4-7. Typical Connections with ABC Rotation and Single-Phase Sensing

C a u t i o n

T h e D V R

2 0 0 0 E C T c o n n e c t i o n s

a r e r e v e

r s e d f r o m t

h e D V R 2 0 0 0

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Figure 4-8. Typical Connections to a Single-Phase Generator

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Figure 4-9. Cross-Current (Reactive Differential) Connections for Two Generators

Figure 4-10. Cross-Current (Reactive Differential) Connections for Three or More Generators

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PRELIMINARY SETUP

WARNING!

Use caution when working around the rear of the DVR2000E.

Dangerous voltage levels are present at the exposed heatsinks when the unit is energized.

Before starting the generator and DVR2000E for the rst time, proceed as follows.

a. Tag and disconnect all wiring to the DVR2000E. Be sure to insulate the wire terminals to prevent a short.

b. Start the prime mover and perform all engine governor adjustments.

c. After all initial governor adjustments have been made, shut down the prime mover.

d. Connect only the power input terminals of the DVR2000E to an auxiliary power source in the specied powerinput range.

e. Perform all initial DVR2000E settings by using the front panel HMI, connecting a handheld operating with

DVR2000E software, or connecting a PC operating with DVR2000E software to the rear commun-ications portof the DVR2000E.

f. Connect the rest of the DVR2000E leads using the tagged identication.

g. Start the prime mover/generator and perform the nal adjustments at rated speed and load.

h. After the initial startup, the DVR2000E should not require any further adjustments unless there is a change inthe system.

ADJUSTMENTS

All adjustments are made using external switching, the front panel HMI or with DVR2000E software via the rear

panel communication port. See Section 5, MARATHON-DVR2000E-32 Software for Windows® OS for moreinformation about making adjustments with DVR2000E software.

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SECTION 5 • MARATHON-DVR2000E-32 SOFTWAREFOR WINDOWS ® OS

TABLE OF CONTENTS

SECTION 5 • MARATHON-DVR2000E-32 SOFTWARE FOR WINDOWS ® OS ........................................40

INTRODUCTION..................................................................................................................................40

INSTALLATION ....................................................................................................................................40

Installing MARATHON-DVR2000E-32 ...........................................................................................40

Connecting the DVR2000E and PC...............................................................................................40

STARTING THE MARATHON-DVR2000E-32 APPLICATION..............................................................40

Initial Adjustments .........................................................................................................................41

Establishing Communication .........................................................................................................42

CHANGING SETTINGS.......................................................................................................................43SENDING AND RECEIVING SETTINGS ............................................................................................44

Sending Settings ...........................................................................................................................44

Receiving Settings.........................................................................................................................44

Saving Settings to DVR2000E Memory.........................................................................................44

SETTING DEFINITIONS......................................................................................................................44

System Conguration ....................................................................................................................44

Setting Adjustments.......................................................................................................................45

Control Gain ..................................................................................................................................48

Analysis .........................................................................................................................................50

Protection and Relay Settings .......................................................................................................55

Metering, Operation and Alarms ...................................................................................................56PID DATA .............................................................................................................................................60

PID Calculation Based on Input Values .........................................................................................60

Adding to the PID List....................................................................................................................61

Removing a PID List Record .........................................................................................................61

Retrieving Existing Data from the PID List ....................................................................................61

SETTINGS FILES ................................................................................................................................61

Printing Settings Files....................................................................................................................61

Saving Settings Files .....................................................................................................................61

Uploading Settings Files................................................................................................................62

PASSWORD PROTECTION ................................................................................................................63

Changing the Password.................................................................................................................63UPDATING EMBEDDED FIRMWARE .................................................................................................63

TERMINATING COMMUNICATION .....................................................................................................67

Figures

Figure 5-1. Marathon Electric Folder ..........................................................................................................40

Figure 5-2. Marathon-DVR2000E - Title and Version..................................................................................41

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Figure 5-3. System Conguration Screen...................................................................................................41

Figure 5-4. Communication Port Menu Selection .......................................................................................42

Figure 5-5. Password Dialog Box................................................................................................................42

Figure 5-6. Communication Initialization Screen ........................................................................................43

Figure 5-7. Wait Dialog Box ........................................................................................................................43

Figure 5-8. System Conguration Screen...................................................................................................45

Figure 5-9. Setting Adjustments Screen, Setpoint Tab ...............................................................................46

Figure 5-10. Setting Adjustments Screen, Startup Tab...............................................................................47

Figure 5-11. Setting Adjustments Screen, Engine Unloading Tab..............................................................48Figure 5-12. Control Gain Screen...............................................................................................................49

Figure 5-13. Analysis Screen, AVR Tab......................................................................................................51

Figure 5-14. Message Box - Return to AVR Nominal Setpoint ...................................................................51

Figure 5-15. Analysis Screen, FCR Tab......................................................................................................52

Figure 5-16. Message Box to Return to FCR Nominal Setpoint .................................................................53

Figure 5-17. Analysis Screen, PF Tab ........................................................................................................53

Figure 5-18. Message Box to Return to PF Nominal Setpoint....................................................................54

Figure 5-19. Analysis Screen, VAR Tab......................................................................................................55

Figure 5-20. Message box to return to VAR Nominal Setpoint ...................................................................55

Figure 5-21. Protection Settings Screen Remove ......................................................................................56

Figure 5-22. Metering, Operation, and Alarms, Operation Tab...................................................................57Figure 5-23. Metering, Operation, and Alarms, Alarm/Status Tab ..............................................................59

Figure 5-24. PID Window............................................................................................................................60

Figure 5-25. User Information Dialog Box for Settings List.........................................................................62

Figure 5-26. Settings Upload Dialog Box....................................................................................................62

Figure 5-27. Password Dialog Box..............................................................................................................63

Figure 5-28. Embedded Software Uploading..............................................................................................64

Figure 5-29. DVR2000E Embedded Program Loader ................................................................................64

Figure 5-30. Settings File Saved Dialog Box ..............................................................................................64

Figure 5-31. Open Dialog Box ....................................................................................................................65

Figure 5-32. Transferring Hex File Dialog Box ............................................................................................65

Figure 5-33. Open Dialog Box ....................................................................................................................66Figure 5-34. Transferring Hex File Dialog Box ............................................................................................66

Figure 5-35. Sending Saved Settings .........................................................................................................67

Figure 5-36. Reading & Checking Settings.................................................................................................67

Tables

Table 5-1. DVR2000E Stability Range Settings.......................................................................................................... 48

Table 5-2. Analysis Screen Tab Combinations............................................................................................50

39

3Main Index

5Section 5 Index


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ection

5

SECTION 5 • MARATHON-DVR2000E-32 SOFTWAREFOR WINDOWS ® OS

INTRODUCTION

MARATHON-DVR2000E-32 software provides a communication link between the DVR2000E and the user. This

software enables the user to enter all DVR2000E settings and read all system metering values through an easyto use graphical interface. PID (Proportional + Integral + Derivative) software within the application enables the

user to establish proper PID parameters based on a specied generator and/or exciter time constants. WithinMARATHON-DVR2000E-32, unit settings can be saved in a computer le and used later to congure other units

with the same settings.

INSTALLATION

MARATHON-DVR2000E-32 software operates with IBM compatible personal computers (PCs) using Microsoft®

Windows® 95, 98 or NT operating systems. The minimum recommended operating require-ments are listedbelow.

• IBM compatible PC, 486DX2 or faster (100 MHz or higher microprocessor is recommended)• CD-ROM drive

• One available serial portInstalling MARATHON-DVR2000E-32

MARATHON-DVR2000E-32 software contains a setup utility that installs the program on your PC. An uninstallutility is loaded with the program that can be used to remove the software from your PC if desired. Use the

following procedure to install MARATHON-DVR2000E-32.

1. Insert the CD-ROM into the PC CD-ROM drive.

2. Select Start, then Run in Windows. In the “Open:” box, type d:\setup.exe, where d is the letter designator foryour CD-ROM drive. Press the Enter key. The setup utility automatically installs MARATHON-DVR2000E-32

on your PC.

When the software is installed, a Marathon Electric folder is added to the Windows ® program menu. This folder

is accessed by clicking the Start button and pointing to Programs. As illustrated in Figure 5-1, the MarathonElectric folder contains ico

DVR2000E_InstallationOperation_Maintenance_Manual.pdf

Documents

Transcript of DVR2000E_InstallationOperation_Maintenance_Manual.pdf

DVR2000E_Installation__Operation___Maintenance_Manual.pdf

Documents

Transcript of DVR2000E_Installation__Operation___Maintenance_Manual.pdf

DVR2000E_InstallationOperation_Maintenance_Manual.pdf

Transcript of DVR2000E_InstallationOperation_Maintenance_Manual.pdf